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Test hmacsha512 with keys larger than the block size

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This commit is contained in:
Frank Denis
2014-09-16 14:59:19 -07:00
parent e333e55209
commit a721543b58
2 changed files with 47 additions and 2 deletions
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test/default/auth.c
+29 -2
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@@ -6,18 +6,45 @@
unsigned char key[32] = "Jefe";
unsigned char c[] = "what do ya want for nothing?";
unsigned char a[32];
/* Hacker manifesto */
unsigned char key2[175] = "Another one got caught today, it's all over the papers. \"Teenager Arrested in Computer Crime Scandal\", \"Hacker Arrested after Bank Tampering\"... Damn kids. They're all alike.";
unsigned char a[crypto_auth_BYTES];
unsigned char a2[crypto_auth_hmacsha512_BYTES];
int main(void)
{
crypto_auth_hmacsha512_state st;
int i;
crypto_auth(a, c, sizeof c - 1U, key);
for (i = 0; i < 32; ++i) {
for (i = 0; i < sizeof a; ++i) {
printf(",0x%02x", (unsigned int)a[i]);
if (i % 8 == 7)
printf("\n");
}
printf("\n");
crypto_auth_hmacsha512_init(&st, key, sizeof key);
crypto_auth_hmacsha512_update(&st, c, 1U);
crypto_auth_hmacsha512_update(&st, c, sizeof c - 2U);
crypto_auth_hmacsha512_final(&st, a2);
for (i = 0; i < sizeof a2; ++i) {
printf(",0x%02x", (unsigned int)a2[i]);
if (i % 8 == 7)
printf("\n");
}
printf("\n");
crypto_auth_hmacsha512_init(&st, key2, sizeof key2);
crypto_auth_hmacsha512_update(&st, c, 1U);
crypto_auth_hmacsha512_update(&st, c, sizeof c - 2U);
crypto_auth_hmacsha512_final(&st, a2);
for (i = 0; i < sizeof a2; ++i) {
printf(",0x%02x", (unsigned int)a2[i]);
if (i % 8 == 7)
printf("\n");
}
assert(crypto_auth_bytes() > 0U);
assert(crypto_auth_keybytes() > 0U);